Mexican President Claudia Sheinbaum schooled Trump, warning that his plan for tariffs on imported goods would result in mutually assured economic destruction for both countries.

That’s what the steep tariffs Donald Trump is threatening to slap on his neighbors will mean for the US, according to Mexico’s government.

While the announcement is almost certainly bluster to bring attention to illegal immigration and fentanyl smuggling, there are several reasons why it is so risky.